Policyd will listen on 127.0.0.1:10031 by default, so if you remove 'check_policy_server inet:127.0.0.1:10031' from postfix smtpd_recipient_restrictions setting, policyd was disabled, include greylisting, blacklisting, whitelisting.

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Does my reply help a little? How about buying me a cup of coffee ($5) as an encouragement?